<?php

function smarty_function_cycle($params,&$smarty)
{
static $cycle_vars;
$name = (empty($params['name'])) ?'default': $params['name'];
$print = (isset($params['print'])) ?(bool)$params['print'] : true;
$advance = (isset($params['advance'])) ?(bool)$params['advance'] : true;
$reset = (isset($params['reset'])) ?(bool)$params['reset'] : false;
if (!in_array('values',array_keys($params))) {
if(!isset($cycle_vars[$name]['values'])) {
$smarty->trigger_error("cycle: missing 'values' parameter");
return;
}
}else {
if(isset($cycle_vars[$name]['values'])
&&$cycle_vars[$name]['values'] != $params['values'] ) {
$cycle_vars[$name]['index'] = 0;
}
$cycle_vars[$name]['values'] = $params['values'];
}
$cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ?$params['delimiter'] : ',';
if(is_array($cycle_vars[$name]['values'])) {
$cycle_array = $cycle_vars[$name]['values'];
}else {
$cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']);
}
if(!isset($cycle_vars[$name]['index']) ||$reset ) {
$cycle_vars[$name]['index'] = 0;
}
if (isset($params['assign'])) {
$print = false;
$smarty->assign($params['assign'],$cycle_array[$cycle_vars[$name]['index']]);
}
if($print) {
$retval = $cycle_array[$cycle_vars[$name]['index']];
}else {
$retval = null;
}
if($advance) {
if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) {
$cycle_vars[$name]['index'] = 0;
}else {
$cycle_vars[$name]['index']++;
}
}
return $retval;
}

?>